#include  <math.h>
#include  <stdio.h>
#define   CONST  1.42e8     			   //1
int main()
{	   			 
    int      n;
    double  term;
    double  sum = 0;     		        //1
    for (n = 1; n <= 64; n++)          //2
    {	   			 
        term = pow(2, n - 1);     		  //2
        sum = sum + term;       		    //1
    }
    printf("sum = %e\n", sum);        	//1
    printf("volum = %e\n", sum / CONST);	//2
    return 0;
}	